chore: remove legacy ui-checks hook from root pre-commit config (#10834)

Co-authored-by: Pablo F.G <pablo.fernandez@prowler.com>

.pre-commit-config.yaml

@@ -138,12 +138,3 @@ repos:
         entry: bash -c 'vulture --exclude "contrib,.venv,api/src/backend/api/tests/,api/src/backend/conftest.py,api/src/backend/tasks/tests/,skills/" --min-confidence 100 .'
         language: system
         files: '.*\.py'
-
-      - id: ui-checks
-        name: UI - Husky Pre-commit
-        description: "Run UI pre-commit checks (Claude Code validation + healthcheck)"
-        entry: bash -c 'cd ui && .husky/pre-commit'
-        language: system
-        files: '^ui/.*\.(ts|tsx|js|jsx|json|css)$'
-        pass_filenames: false
-        verbose: true